Electrical Component and Inline Harness Connector End Views
7-169
K19 Suspension Control Module X2 (91B/91C/91D/91E) (cont'd)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
H3
18
BN
61LR
Suspension Rate Control Solenoid Signal -
Rear Left
I
—
J2
18
TN
61RI
Suspension Isolator Control Solenoid Signal -
Rear Right
I
—
J3
18
GN
61RR
Suspension Rate Control Solenoid Signal - Rear
Right
I
—
K20 Engine Control Module X1
2498868
Connector Part Information
Harness Type: Engine Chassis
OEM Connector: 35059716
Service Connector: 19370822
Description: 66-Way F 0.64 MTS-B, 2.8 ATS, 6.3 Ducon Series, Sealed (BK)
Terminal Part Information
Terminal
Type ID
Terminated
Lead
Diagnostic
Test Probe
Terminal
Removal Tool
Service Terminal
Tray
Name
Core
Crimp
Insulation
Crimp
I
13578858
J-35616-
4A (PU)
J-38125-36
4-964286-1
Not
Required
Not
Required
Not
Required
II
13584448
J-35616-64B
(LT BU)
J-38125-215A
1719532-5
Not
Required
Not
Required
Not
Required
III
13584528
J-35616-
42 (RD)
J-38125-215A
Not Available
Not
Required
Not
Required
Not
Required
IV
19369848
J-35616-64B
(LT BU)
J-38125-215A
Not Available
Not
Required
Not
Required
Not
Required
K20 Engine Control Module X1
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1
0.75
VT/D-BU
5290
Powertrain Main Relay Fused Supply 1
I
—
2
0.5
VT/D-BU
5290
Powertrain Main Relay Fused Supply 1
I
—
3
—
—
—
Not Occupied
—
—
4
0.5
RD/BN
440
Secondary Fused Battery Positive Voltage 4
I
—
5
2.5
VT/D-BU
5290
Powertrain Main Relay Fused Supply 1
III
—
6
4
BK/WH
451
Ground 4
IV
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual